80928830

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 149489280

約数和(自身を除く): 68560450

約数列:

[1, 2, 5, 10, 47, 94, 235, 409, 421, 470, 818, 842, 2045, 2105, 4090, 4210, 19223, 19787, 38446, 39574, 96115, 98935, 172189, 192230, 197870, 344378, 860945, 1721890, 8092883, 16185766, 40464415, 80928830]

約数ペア:

[(1, 80928830), (2, 40464415), (5, 16185766), (10, 8092883), (47, 1721890), (94, 860945), (235, 344378), (409, 197870), (421, 192230), (470, 172189), (818, 98935), (842, 96115), (2045, 39574), (2105, 38446), (4090, 19787), (4210, 19223)]